//
//  UIBarButtonItem+Extensions.swift
//  传智微博
//
//  Created by mac on 2018/1/31.
//  Copyright © 2018年 ZSJ. All rights reserved.
//

import UIKit

extension UIBarButtonItem {
    
    /// 创建 UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontSize 默认字号是16
    ///   - target: target
    ///   - action: action
    ///   - isBack: 是否是返回按钮，如果是加上箭头
    convenience init(title: String, fontSize: CGFloat = 16, target:AnyObject?, action: Selector, isBack: Bool = false) {
        
        let btn: UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        
        if isBack {
            let imageName = "navigationbar_back_withtext"
            btn.setImage(UIImage(named: imageName), for: UIControlState(rawValue: 0))
            btn.setImage(UIImage(named: imageName + "_highlighted"), for: .highlighted)
            btn.sizeToFit()
        }
    
        btn.addTarget(target, action: action, for: .touchUpInside)
        
        // self.init 实例化 UIBarbuttonItem
        self.init(customView: btn)
    }
}
